<template>
  <div ref="wrapRef" :style="{ height, width }"></div>
</template>
<script lang="ts">
import { defineComponent, ref, nextTick, unref, onMounted } from 'vue'

import { useScript } from '@pkg/use'

const MAP_URL =
  'https://maps.googleapis.com/maps/api/js?key=AIzaSyBQWrGwj4gAzKndcbwD5favT9K0wgty_0&signed_in=true'

export default defineComponent({
  name: 'GoogleMap',
  props: {
    width: {
      type: String,
      default: '100%',
    },
    height: {
      type: String,
      default: 'calc(100vh - 78px)',
    },
  },
  setup() {
    const wrapRef = ref<HTMLDivElement | null>(null)
    const { toPromise } = useScript({ src: MAP_URL })

    async function initMap() {
      await toPromise()
      await nextTick()
      const wrapEl = unref(wrapRef)
      if (!wrapEl) return
      const google = (window as any).google
      const latLng = { lat: 116.404, lng: 39.915 }
      const map = new google.maps.Map(wrapEl, {
        zoom: 4,
        center: latLng,
      })
      new google.maps.Marker({
        position: latLng,
        map: map,
        title: 'Hello World!',
      })
    }

    onMounted(() => {
      initMap()
    })

    return { wrapRef }
  },
})
</script>
